GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

Frozen rear caliper

Old 05-18-15, 01:42 PM
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Steve2424
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Default Frozen rear caliper

I'm browsing on Rockauto for calipers and am unsure on which part to get since I need a driver side rear caliper. There's a few different brands. Is here a difference between the ones available - Nastra/ A1 Cardone/ Centric/ Beck Arnley? Any help is appreciated!
Old 05-18-15, 02:49 PM
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burny
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I used a cardone on driver side rear and it has rusted badly. Still functional but I need to repaint it
Old 05-18-15, 04:33 PM
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xbladex00
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I have centrics for both my rear calipers ! They ended up rusting pretty bad too but i painted them ! just a note of advice.... PAINT THEM FIRST THEN PUT THEM ON!
Old 05-21-15, 02:37 PM
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Steve2424
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Originally Posted by burny
I used a cardone on driver side rear and it has rusted badly. Still functional but I need to repaint it
Originally Posted by xbladex00
I have centrics for both my rear calipers ! They ended up rusting pretty bad too but i painted them ! just a note of advice.... PAINT THEM FIRST THEN PUT THEM ON!

Thanks for the replies guys. Looks like either one I would be good with, except they rust...*womp, womp* lol

I intended on coloring my engine bay covers so looks like I have another DIY lol. Is there a specific brand to use when painting the calipers?
Old 05-21-15, 07:39 PM
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Originally Posted by Steve2424
Thanks for the replies guys. Looks like either one I would be good with, except they rust...*womp, womp* lol

I intended on coloring my engine bay covers so looks like I have another DIY lol. Is there a specific brand to use when painting the calipers?
Its a shame that those companies don't even prime or atleast paint over them like the factory does... The factory ones doesn't even rust (okay they do) but my fronts haven't rusted... I would suggest caliper paint from any Auto store (pepboys/autozone/etc) I used VHT to prime my rotors.... I advise you to use primer because my paint already started peeling and the spots are already rusting again

here my DIY
https://www.clublexus.com/forums/gs-...-calipers.html
Old 05-22-15, 05:06 AM
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ibidu1
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Do you have a propane torch? If so heat the stock caliper and break it loose with a hammer. Ive done 4 already all successfully
Old 05-22-15, 11:09 AM
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Originally Posted by ibidu1
Do you have a propane torch? If so heat the stock caliper and break it loose with a hammer. Ive done 4 already all successfully
Why do u need to do that all u need is 16mm? Socket? If anything the expansion of the bolt would make it worse no?
Old 05-23-15, 03:00 AM
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Originally Posted by xbladex00
Why do u need to do that all u need is 16mm? Socket? If anything the expansion of the bolt would make it worse no?
The hex bolts hold the caliper holding bracket, the caliper floats on a lower pin. That pin usually seizes up not allowing the caliper to return to its starting position.

Using heat to heat the outside of the pin helps release the seize, hitting it with a hammer knocks it loose. But you must take off the calipers from the car to do this.
Old 05-23-15, 08:54 AM
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Originally Posted by ibidu1
The hex bolts hold the caliper holding bracket, the caliper floats on a lower pin. That pin usually seizes up not allowing the caliper to return to its starting position.

Using heat to heat the outside of the pin helps release the seize, hitting it with a hammer knocks it loose. But you must take off the calipers from the car to do this.
ahh i get what you mean now... So once the pin is removed since the bottom one isnt accessible unless you remove the caliper from the caliper bracket, how do you unseize it? do you just re-lube it and put it back in?

edit: I see what you mean now, It was really easy taking it out from my new calipers but from the old ones they just wouldn't budge! i tried hammering and everything!

Last edited by xbladex00; 05-23-15 at 10:03 AM.
Old 05-25-15, 04:13 AM
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Originally Posted by xbladex00
ahh i get what you mean now... So once the pin is removed since the bottom one isnt accessible unless you remove the caliper from the caliper bracket, how do you unseize it? do you just re-lube it and put it back in?

edit: I see what you mean now, It was really easy taking it out from my new calipers but from the old ones they just wouldn't budge! i tried hammering and everything!
You must remove the caliper from the car, you will need to undo the brake line then later bleed that caliper.

To free up the caliper, youll will need to spray wd40 into the pin area and let it soak for 20-30, then with a propane torch, heat the caliper side of the pin housing for about 3-5min. Then grab a hammer and start hammering in the pin to drive in further into the caliper and then spray wd40. Then flip the caliper so you can strike the bracket to drive the pin out.

Once the pin is removed grab a scuff pad or fine sand paper and clean off the pin and the shaft, add grease and your done.
Old 05-26-15, 02:18 PM
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Steve2424
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Great info. Thanks for all the help
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